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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-93.c] - Rev 826
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/* { dg-require-effective-target vect_float } */ #include <stdarg.h> #include "tree-vect.h" #define N 3001 __attribute__ ((noinline)) main1 (float *pa) { int i; for (i = 0; i < 3001; i++) { pa[i] = 2.0; } /* check results: */ for (i = 0; i < 3001; i++) { if (pa[i] != 2.0) abort (); } for (i = 1; i <= 10; i++) { pa[i] = 3.0; } /* check results: */ for (i = 1; i <= 10; i++) { if (pa[i] != 3.0) abort (); } return 0; } int main (void) { int i; float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); check_vect (); /* from bzip2: */ for (i=0; i<N; i++) b[i] = i; a[0] = 0; for (i = 1; i <= 256; i++) a[i] = b[i-1]; /* check results: */ for (i = 1; i <= 256; i++) { if (a[i] != i-1) abort (); } if (a[0] != 0) abort (); main1 (a); return 0; } /* 2 loops vectorized in main1, 2 loops vectorized in main: the first loop in main requires vectorization of conversions, the second loop in main requires vectorization of misaligned load. */ /* main && main1 together: */ /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 2 "vect" { target powerpc*-*-* i?86-*-* x86_64-*-* } } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 2 "vect" { target { vect_no_align && {! vector_alignment_reachable} } } } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 3 "vect" { xfail { { vect_no_align } || {! vector_alignment_reachable} } } } } */ /* in main1: */ /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target !powerpc*-*-* !i?86-*-* !x86_64-*-* } } } */ /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target vect_no_align } } } */ /* in main: */ /* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" { target vect_no_align } } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { xfail { vect_no_align } } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */